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/*
* Copyright 2004-2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
package com.sun.enterprise.connectors.authentication;
import com.sun.enterprise.connectors.*;
import com.sun.logging.LogDomains;
import java.security.Principal;
import java.util.logging.*;
import java.util.*;
import com.sun.enterprise.connectors.util.SecurityMapUtils;
import com.sun.enterprise.config.serverbeans.SecurityMap;
import javax.security.auth.Subject;
import javax.ejb.EJBContext;
import com.sun.enterprise.*;
import com.sun.enterprise.deployment.interfaces.*;
import com.sun.enterprise.security.factory.SecurityManagerFactory;
import com.sun.enterprise.web.*;
import com.sun.ejb.Container;
/**
* This class does the functionality of security mapping of the
* principal and userGroup to the backendPrincipal.
* @author Srikanth P
*/
public class BasicPasswordAuthenticationService
implements AuthenticationService {
private String rarName_;
private String poolName_;
ConnectorRegistry connectorRegistry_ = ConnectorRegistry.getInstance();
static Logger _logger = LogDomains.getLogger(LogDomains.RSR_LOGGER);
private Object containerContext = null;
/**
* Constructor
* @param rarName Name of the rar
* @param poolName Name of the pool.
*/
public BasicPasswordAuthenticationService(String rarName,String poolName) {
rarName_ = rarName;
poolName_ = poolName;
_logger.log(Level.FINE,"Contructor:BasicPasswordAuthenticationService");
}
/**
* Maps the principal to the backendPrincipal
* @param principalName Name of the principal to be mapped.
* @return Mapped Backendprincipal
*/
public Principal mapPrincipal(Principal callerPrincipal, Set principalSet) {
// If no security maps are associated with this pool, return empty
RuntimeSecurityMap runtimeSecurityMap =
connectorRegistry_.getRuntimeSecurityMap(poolName_);
if(runtimeSecurityMap == null) {
return null;
}
String principalName = callerPrincipal.getName();
// Create a list of Group Names from group Set
List<String> groupNames = new ArrayList();
Iterator iter = principalSet.iterator();
while (iter.hasNext()){
Principal p = (Principal)iter.next();
// remove the caller principal (calling user) from the Set.
if (p.equals(callerPrincipal)){
continue;
}
String groupName = p.getName();
groupNames.add(groupName);
}
// if webmodule get roles from WebBundle Descriptor
if (isContainerContextAWebModuleObject()){
String roleName = getRoleName(callerPrincipal);
return doMap(principalName, groupNames, roleName, runtimeSecurityMap);
} else {
return doMap(principalName, groupNames, null, runtimeSecurityMap);
}
}
/**
* Performs the actual mapping of the principal/userGroup to the
* backendPrincipal by checking at the connector registry for all the
* existing mapping. If a map is found the backendPrincipal is
* returned else null is returned .
*/
private Principal doMap(String principalName, List groupNames,
String roleName, RuntimeSecurityMap runtimeSecurityMap) {
// Policy:
// user_1, user_2, ... user_n
// group_1/role_1, group_2/role_2, ... group_n/role_n
// user contains *
// role/group contains *
HashMap userNameSecurityMap = (HashMap)runtimeSecurityMap.getUserMap();
HashMap groupNameSecurityMap = (HashMap)runtimeSecurityMap.getGroupMap();
// Check if caller's user-name is preset in the User Map
if (userNameSecurityMap.containsKey(principalName)){
return (Principal)userNameSecurityMap.get(principalName);
}
// Check if caller's role is present in the Group Map
if (isContainerContextAWebModuleObject() && roleName != null ){
if (groupNameSecurityMap.containsKey(roleName)){
return (Principal)groupNameSecurityMap.get(roleName);
}
}
// If ejb, use isCallerInRole
if (isContainerContextAContainerObject() && roleName == null){
ComponentInvocation componentInvocation =
Switch.getSwitch().getInvocationManager().getCurrentInvocation();
EJBContext ejbcontext = (EJBContext)componentInvocation.context;
Set s = groupNameSecurityMap.keySet();
Iterator i = s.iterator();
while (i.hasNext()){
String entry = (String)i.next();
boolean isInRole = false;
try{
isInRole = ejbcontext.isCallerInRole(entry);
} catch (Exception ex){
_logger.log(Level.FINE,"asciPasswordAuthentication::caller not in role "+entry);
}
if (isInRole){
return (Principal)groupNameSecurityMap.get(entry);
}
}
}
// Check if caller's group(s) is/are present in the Group Map
for (int j=0; j<groupNames.size(); j++){
String groupName = (String)groupNames.get(j);
if (groupNameSecurityMap.containsKey(groupName)){
return (Principal)groupNameSecurityMap.get(groupName);
}
}
// Check if user name is * in Security Map
if (userNameSecurityMap.containsKey(ConnectorConstants.SECURITYMAPMETACHAR)){
return (Principal)userNameSecurityMap.get(ConnectorConstants.SECURITYMAPMETACHAR);
}
// Check if role/group name is * in Security Map
if (groupNameSecurityMap.containsKey(ConnectorConstants.SECURITYMAPMETACHAR)){
return (Principal)groupNameSecurityMap.get(ConnectorConstants.SECURITYMAPMETACHAR);
}
return null;
}
private String getRoleName(Principal callerPrincipal){
String roleName = null;
WebModule _webmodule = (WebModule)getContainerContext();
SecurityRoleMapperFactory securityRoleMapperFactory =
SecurityRoleMapperFactoryMgr.getFactory();
SecurityRoleMapper securityRoleMapper=
securityRoleMapperFactory.getRoleMapper(_webmodule.getID());
Map<String, Subject> map = securityRoleMapper.getRoleToSubjectMapping();
Set<String> roleSet = map.keySet();
Iterator iter = roleSet.iterator();
while (iter.hasNext()){
roleName = (String)iter.next();
Subject subject = (Subject)map.get(roleName);
Set principalSet = subject.getPrincipals();
if (principalSet.contains(callerPrincipal)){
return roleName;
}
}
return "";
}
//private boolean isContainerContextInstanceOfWebModule() {}
private Object getContainerContext(){
if (this.containerContext == null){
ComponentInvocation componentInvocation =
Switch.getSwitch().getInvocationManager().getCurrentInvocation();
this.containerContext = componentInvocation.getContainerContext();
}
return this.containerContext;
}
private boolean isContainerContextAContainerObject(){
if (getContainerContext() instanceof Container){
return true;
}
return false;
}
private boolean isContainerContextAWebModuleObject(){
if (getContainerContext() instanceof WebModule){
return true;
}
return false;
}
}
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